Words - K Selection - 1
easy
1. You are given a word (may have one character repeat more than once). 2. You are given an integer k. 2. You are required to generate and print all ways you can select k distinct characters out of the word. Note -> Use the code snippet and follow the algorithm discussed in question video. The judge can't force you but the intention is to teach a concept. Play in spirit of the question.
Constraints
0 < str.length() < 15 0 < k <= str.length()
Format
Input
Input is managed for you
Output
Check the sample ouput and question video.
Example
Sample Input
aabbbccdde
3
Sample Output
abc
abd
abe
acd
ace
ade
bcd
bce
bde
cde
Question Video